Howdy, Steven,
Thanks for the idea. But it seems that the problem is that Mathematica
can't find the converter. I've already figured out how to make it find the
image.
Bob H
> From: "Steven Shippee" <slshippee at comcast.net>
To: mathgroup at smc.vnet.net
> Organization: Comcast Online
> Newsgroups: comp.soft-sys.math.mathematica
> Date: Tue, 11 Nov 2003 01:10:29 +0000 (UTC)
> Subject: [mg44497] Re: Just trying to import an image
>
> To make it easy to debug, try putting the file (the "image") in a root
> directory somewhere (of your "c" drive or your "d" drive), and also ensure
> it has no spaces in the file name, for example, use something like
> c:\practice.jpg or c:\practice.bmp.
>
> Then you could run the command
>
> myimage=Import["c:\practice.jpg"];
>
> and manipulate myimage from there.
>
> Steven
>
> shippee at jcs.mil
>
>
>
> "Bob Harris" <nitlion at mindspring.com> wrote in message
> news:bonnfg$h8i$1 at smc.vnet.net...
>> Howdy,
>>
>> Have an assignment in an computer vision class I'm taking. Thought I'd
> try
>> fiddling around with it in Mathematica. Have run into the second or third
>> brick wall, just trying to bring an image into Mathematica. Am in need of
>> help.
>>
>> For starters, I found Import[] in the big book and tried it:
>> Import ["vl100.gif"]
>> The file vl100.gif is in the same directory as the mathematica notebook
> that
>> I launched. But that seems not to be one of the places mathematica looks.
>> So I just got a file not found error. So be it.
>>
>> I figured there must be a way to convince mathematica to look for the file
>> where e file is. After stumbling around for a while in the book and in
> the
>> help browser, I finally found the SetDirectory command. So looking at the
>> format of file paths in $Path, I did
>> SetDirectory["Kablooie:ClassesS:VisionS:Project4S"]
>> which is the path to the directory containing the file.
>>
>> So then I tried
>> Import ["vl100.gif"]
>> again, and I get
>> Experimental`RegisterConverter::noexe: Could not find the
>> executable GIF.exe in any of { <<65>>, <<74>>, <<83>>, GIF.exe}.
>>
>> Now, I'm running this using mathematica 4.0.1.0 for the Mac on a PowerMac
> G3
>> running OS 9.0.4. Yes, I know I haven't upgraded in a while, but it sure
>> seems like what I'm trying to do is supposed to work on my configuration.
>>
>> The error message suggests that it doesn't have the executable code to
>> handle gif images. I tried .pgm format and got the same result. Since
> both
>> are listed in the big book I figured it's pointless to try other formats.
>> Those two should've worked.
>>
>> I did a search of my hard drive and I do find a gif.exe (and hdf.exe,
>> jpeg.exe, pnm.exe, and tiff.exe) in the folder
>> ... MathematicaS:SystemFiles:Converters:Binaries:PowerMac
>> So it seems like it's got 'em, and it's just not looking for them.
>>
>> Can anyone point me toward a way to get this working?
>>
>> Thanks for any help,
>> Bob H
>>
>